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cond-mat.other2005★ 139 cited
Entanglement and alpha entropies for a massive scalar field in two dimensions
H. Casini, M. Huerta
We find the analytic expression of the trace of powers of the reduced density matrix on an interval of length L, for a massive boson field in 1+1 dimensions. This is given exactly…
cond-mat.other2005★ 292 cited
Entanglement and alpha entropies for a massive Dirac field in two dimensions
H. Casini, C. D. Fosco, M. Huerta
We present some exact results about universal quantities derived from the local density matrix, for a free massive Dirac field in two dimensions. We first find the trace of powers…